function page_nav(frm,num){
    frm.page.value = num;
    frm.submit();
}

function jump_to(frm,num){
    //alert(num);
    //验证用户的输入
    var regexp=/^[1-9]\d*$/;
    var totalPageCount = document.getElementById("totalPageCount").value;
    //alert(totalPageCount);
    if(!regexp.test(num)){
        alert("请输入大于0的正整数！");
        return false;
    }else if((num-totalPageCount) > 0){
        alert("请输入小于总页数的页码");
        return false;
    }else{
        page_nav(frm,num);
    }
}